42446480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12941}}^1$

素因数の和:12995

約数の個数: 40

約数和(自身を含む): 101102904

約数和(自身を除く): 58656424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12941, 25882, 51764, 64705, 103528, 129410, 207056, 258820, 517640, 530581, 1035280, 1061162, 2122324, 2652905, 4244648, 5305810, 8489296, 10611620, 21223240, 42446480]

約数ペア:

[(1, 42446480), (2, 21223240), (4, 10611620), (5, 8489296), (8, 5305810), (10, 4244648), (16, 2652905), (20, 2122324), (40, 1061162), (41, 1035280), (80, 530581), (82, 517640), (164, 258820), (205, 207056), (328, 129410), (410, 103528), (656, 64705), (820, 51764), (1640, 25882), (3280, 12941)]